Home / 1,870.22-2,792.15-1,429.14

Finding the Fourth Proportional to 1,870.22, 2,792.15 and 1,429.14

Calculator

Solution

The fourth proportional to 1,870.22, 2,792.15 and 1,429.14 is: 2,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870.22 : 2,792.15 = 1,429.14 : x
  2. Step 2: Convert to fraction form
    1,870.22/2,792.15 = 1,429.14/x
  3. Step 3: Cross multiply
    1,870.22x = 2,792.15 × 1,429.14
  4. Step 4: Simplify right side
    1,870.22x = 3,990,366.11
  5. Step 5: Solve for x
    x = 3,990,366.11/1,870.22
  6. Step 6: Final answer
    x = 2,133.63

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.